#515DA3#515DA3

#515DA3 is a mid, moderate blue. Relative luminance 0.122; OKLCH L 50.2% C 0.112 H 274.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#515DA3
RGB	rgb(81, 93, 163)
HSL	hsl(231, 34%, 48%)
HSV	hsv(231, 50%, 64%)
CMYK	cmyk(50.3%, 42.9%, 0%, 36.1%)
CIE-LAB	lab(41.57, 15.40, -39.39)
CIE-LCH	lch(41.57, 42.29, 291.36°)
OKLab	oklab(50.2% 0.0084 -0.1116)
OKLCH	oklch(50.2% 0.112 274.3)
XYZ	xyz(13.9165, 12.2215, 36.2689)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DA3 #A39751

analogous

#5186A3 #515DA3 #6E51A3

triadic

#515DA3 #A3515D #5DA351

tetradic

#515DA3 #A35186 #A39751 #51A36E

square

#515DA3 #A35186 #A39751 #51A36E

split-complementary

#515DA3 #A36E51 #86A351

monochromatic

#282E51 #3D467A #515DA3 #7680BB #9FA6CF

Accessibility & contrast

On white

6.10

#515DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#515DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DA3

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DA3	#FFFFFF	#000000	##FFFFFF
##515DA3	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4166A6

Deuteranopia (green-blind)

#395FA1

Tritanopia (blue-blind)

#306C78

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #515da3;
/* rgb */ color: rgb(81, 93, 163);
/* oklch */ color: oklch(50.2% 0.112 274.3);

Tailwind

colors: {
  custom: {
    50: '#878abe',
    500: '#515da3',
    950: '#000000',
  },
}

SCSS

$custom: #515da3;
$custom-light: #878abe;
$custom-dark: #000000;

JSON

{
  "hex": "#515da3",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 163
  },
  "hsl": {
    "h": 231.22,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.502,
    "c": 0.11194,
    "h": 274.3
  },
  "luminance": 0.12222
}

Semantic roles & 50–950 ramp

primary

#515DA3

secondary

#BCB693

accent

#BA5ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515DA3

Body copy rendered with the generated semantic roles for this colour.

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